The spider mites of the genus Eutetranychus Banks (Acari, Trombidiformes, Tetranychidae) from Saudi Arabia: two new species, a re-description, and a key to the world species Author Kamran, Muhammad Author Khan, Eid Muhammad Author Alatawi, Fahad Jaber text ZooKeys 2018 799 47 88 http://dx.doi.org/10.3897/zookeys.799.25541 journal article http://dx.doi.org/10.3897/zookeys.799.25541 1313-2970-799-47 9BEDE3E77066402FA30E7F55361E989B 9BEDE3E77066402FA30E7F55361E989B Genus Eutetranychus Banks Neotetranychus (Eutetranychus) Banks, 1917: 197. Anychus McGregor, 1919: 644. Eutetranychus Banks, McGregor 1950 : 267. Type species. Tetranychus banksi McGregor, 1914. Diagnosis. Based on Meyer 1987 . The genus Eutetranychus can be recognized by the combination of following characters: Propodosomal setae three pairs (v2, sc1 and sc2); opisthosomal setae 10 pairs (c1−3, d1−2, e1−2, f1−2, h1); setae f1 either normally or widely spaced; anal setae (ps1-2) and para anal setae (h2-3) each two pairs; empodium absent or reduced to small rounded tiny knob; true claws pad-like; tarsi I with two or three solenidia (two solenidia closely associated with fastigial setae ft), tarsi II with one or two solenidia; coxa II with either one or two setae.